US4575181A - Optical fiber assembly with cladding light scattering means - Google Patents
Optical fiber assembly with cladding light scattering means Download PDFInfo
- Publication number
- US4575181A US4575181A US06/488,704 US48870483A US4575181A US 4575181 A US4575181 A US 4575181A US 48870483 A US48870483 A US 48870483A US 4575181 A US4575181 A US 4575181A
- Authority
- US
- United States
- Prior art keywords
- cladding
- optical fiber
- assembly according
- head assembly
- optical head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/488,704 US4575181A (en) | 1983-04-26 | 1983-04-26 | Optical fiber assembly with cladding light scattering means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/488,704 US4575181A (en) | 1983-04-26 | 1983-04-26 | Optical fiber assembly with cladding light scattering means |
Publications (1)
Publication Number | Publication Date |
---|---|
US4575181A true US4575181A (en) | 1986-03-11 |
Family
ID=23940774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/488,704 Expired - Fee Related US4575181A (en) | 1983-04-26 | 1983-04-26 | Optical fiber assembly with cladding light scattering means |
Country Status (1)
Country | Link |
---|---|
US (1) | US4575181A (en) |
Cited By (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4637686A (en) * | 1983-04-08 | 1987-01-20 | Kokusai Denshin Denwa Co., Ltd. | Optical fiber with light reflecting particles dispersed through buffer layers to dissipate leaky cladding modes |
US4737011A (en) * | 1984-07-13 | 1988-04-12 | Dainichi-Nippon Cables Ltd. | Connector for high energy beam |
US4776663A (en) * | 1985-12-12 | 1988-10-11 | 501 Socapex S.A. | Disconnectable collimation assembly |
US4808830A (en) * | 1987-06-15 | 1989-02-28 | Warren Burgis | Infrared beam projector |
WO1990015985A1 (en) * | 1989-06-22 | 1990-12-27 | Ares-Serono Research & Development Limited Partnership | Method of optical analysis |
US5042980A (en) * | 1989-05-26 | 1991-08-27 | C. R. Bard, Inc. | Optical fiber diffusion tip for uniform illumination |
US5113470A (en) * | 1989-11-08 | 1992-05-12 | Matsushita Electric Industrial Co., Ltd. | Optical wave guide sheet comprising plurality of doubly-clad core members with light scatterers in outer cladding |
US5207669A (en) * | 1989-05-26 | 1993-05-04 | C. R. Bard, Inc. | Optical fiber diffusion tip for uniform illumination |
US5400428A (en) * | 1992-05-13 | 1995-03-21 | Spectranetics Corporation | Method and apparatus for linearly scanning energy over an optical fiber array and coupler for coupling energy to the optical fiber array |
WO1995035517A1 (en) * | 1994-06-20 | 1995-12-28 | Cogent Light Technologies, Inc. | Apparatus coupling power source to fiber optic |
US5490227A (en) * | 1993-10-27 | 1996-02-06 | Matsushita Electric Industrial Co., Inc. | Light receiving module for SCM transmission |
US5619602A (en) * | 1993-04-01 | 1997-04-08 | Permanova Laser System Ab | Fibre |
US5665063A (en) * | 1994-06-24 | 1997-09-09 | Focal, Inc. | Methods for application of intraluminal photopolymerized gels |
US5779673A (en) * | 1995-06-26 | 1998-07-14 | Focal, Inc. | Devices and methods for application of intraluminal photopolymerized gels |
US5822478A (en) * | 1995-11-22 | 1998-10-13 | Samsung Electronics Co., Ltd. | Optical device with means for preventing remaining scattered light rays from being fed back to the signal line and method for fabricating it |
US5849035A (en) * | 1993-04-28 | 1998-12-15 | Focal, Inc. | Methods for intraluminal photothermoforming |
US5995686A (en) * | 1997-12-16 | 1999-11-30 | Hamburger; Robert N. | Fiber-optic sensor device and method |
US6012853A (en) * | 1996-01-18 | 2000-01-11 | E-Tek Dynamics, Inc. | Laser diode with anti-reflection and anti-scattering coating |
US6167177A (en) * | 1996-07-05 | 2000-12-26 | Permanova Lasersystem | Optical fiber cable |
EP1096285A2 (en) * | 1999-11-01 | 2001-05-02 | GSI Lumonics Ltd. | Laser to optical fibre coupling |
US20020039220A1 (en) * | 2000-08-04 | 2002-04-04 | Yorishige Ishii | Optical communication module |
US20020075545A1 (en) * | 1998-12-22 | 2002-06-20 | Harrison Daniel David | Optcal high speed communications for a computed tomography x-ray machine |
WO2003089962A2 (en) * | 2002-04-22 | 2003-10-30 | Terabeam Corporation | Off-axis mode scrambler |
US20040071409A1 (en) * | 2002-02-22 | 2004-04-15 | Brown Joe D. | Apparatus and method for coupling laser energy into small core fibers |
US6782161B2 (en) * | 2001-02-05 | 2004-08-24 | Derma Laser Inc. | Laser diode apparatus provided with an aiming beam and injection method therefor |
US20050025418A1 (en) * | 2002-02-22 | 2005-02-03 | Brown Joe D. | Apparatus and method for diffusing laser energy that fails to couple into small core fibers, and for reducing coupling to the cladding of the fiber |
EP1744189A1 (en) * | 2005-07-14 | 2007-01-17 | TRUMPF Laser GmbH + Co. KG | High power lightguide with scattering centres |
US20070172174A1 (en) * | 2006-01-23 | 2007-07-26 | Electro-Optics Technology, Inc. | Monolithic mode stripping fiber ferrule/collimator and method of making same |
US20070292087A1 (en) * | 2006-06-19 | 2007-12-20 | Joe Denton Brown | Apparatus and method for diffusing laser energy that fails to couple into small core fibers, and for reducing coupling to the cladding of the fiber |
US20080175539A1 (en) * | 2006-12-22 | 2008-07-24 | Brown Joe D | Fiber optic connector for coupling laser energy into small core fibers, and termination method therefor |
EP2009473A1 (en) * | 2006-03-29 | 2008-12-31 | The Furukawa Electric Co., Ltd. | Light input/output port of optical component and beam converting apparatus |
US20090177191A1 (en) * | 2007-12-11 | 2009-07-09 | Brown Joe D | Laser surgery methods and apparatus |
DE102008021250A1 (en) * | 2008-04-29 | 2009-11-05 | Roland Berger | Optical fiber for transmission of laser rays to working station for e.g. industrial application, has sleeve fixing core fiber and cladding of fiber relative to housing part, and fixed at guide sleeve that receives and guides fiber |
US20090310917A1 (en) * | 2006-02-08 | 2009-12-17 | Optoskand Ab | Optical fiber connector |
DE112008000872T5 (en) | 2007-04-04 | 2010-01-28 | Mitsubishi Electric Corp. | Apparatus and method for laser processing |
EP2191311A1 (en) * | 2007-09-25 | 2010-06-02 | Optoskand AB | Optical fiber contact |
DE102009013355A1 (en) | 2009-03-16 | 2010-09-23 | Dilas Diodenlaser Gmbh | Coupling arrangement for optical waveguide i.e. optical fiber, has base body provided with feed through, and electroplating that is in thermal contact with base body, where waveguide is partly metalized in region of feed through |
WO2011067908A1 (en) * | 2009-12-04 | 2011-06-09 | 三菱電線工業株式会社 | Optical fiber and method for working optical fiber |
US20110213349A1 (en) * | 2008-11-07 | 2011-09-01 | Joe Denton Brown | Apparatus and method for detecting overheating during laser surgery |
US20110238048A1 (en) * | 2010-03-23 | 2011-09-29 | Joe Denton Brown | Laser surgery controller with variable time delay and feedback detector sensitivity control |
DE102010003750A1 (en) * | 2010-04-08 | 2011-10-13 | Trumpf Laser- Und Systemtechnik Gmbh | Method and arrangement for changing the beam profile characteristic of a laser beam by means of a multiple-clad fiber |
US20110308364A1 (en) * | 2008-12-11 | 2011-12-22 | Jt Optical Engine Gmbh + Co. Kg | Method and device for stripping fibres in a fibre bundle |
WO2012039903A3 (en) * | 2010-09-21 | 2012-11-08 | Textron Systems Corporation | All glass fiber laser cladding mode stripper |
WO2012088267A3 (en) * | 2010-12-23 | 2012-12-13 | Nufern | Rough-clad optical fibers |
US8355608B2 (en) | 2010-04-12 | 2013-01-15 | Lockheed Martin Corporation | Method and apparatus for in-line fiber-cladding-light dissipation |
DE102011085635A1 (en) * | 2011-11-02 | 2013-05-02 | Trumpf Laser Gmbh + Co. Kg | Optical transport fiber i.e. single-mode fiber, for transmitting laser light during material processing, has intermediate layer provided between cladding and covering, where layer has transparency for part of radiation guided into cladding |
WO2013070695A2 (en) | 2011-11-09 | 2013-05-16 | Alcon Research, Ltd. | Multi-spot laser probe with faceted optical element |
WO2013098269A1 (en) * | 2011-12-29 | 2013-07-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coating of optical waveguides |
US20130195412A1 (en) * | 2007-12-21 | 2013-08-01 | Boston Scientific Scimed, Inc. | Methods and apparatus related to a launch connector portion of a ureteroscope laser-energy-delivery device |
DE102009025556B4 (en) * | 2009-06-12 | 2013-08-29 | Highyag Lasertechnologie Gmbh | Fiber optic cable connectors |
USRE44472E1 (en) | 2002-04-22 | 2013-09-03 | Pertex Telecommunication Llc | Extended source transmitter for free space optical communication systems |
US8628976B2 (en) | 2007-12-03 | 2014-01-14 | Azbil BioVigilant, Inc. | Method for the detection of biologic particle contamination |
US8638428B2 (en) | 2010-06-01 | 2014-01-28 | Joe Denton Brown | Method and apparatus for using optical feedback to detect fiber breakdown during surgical laser procedures |
JP2014063123A (en) * | 2012-08-30 | 2014-04-10 | Mitsubishi Cable Ind Ltd | Optical connector and optical fiber cable having the same |
JP2014126687A (en) * | 2012-12-26 | 2014-07-07 | Mitsubishi Cable Ind Ltd | Optical fiber structure and manufacturing method for the same |
US20140363125A1 (en) * | 2013-06-06 | 2014-12-11 | Prima Electro North America, LLC | Cladding mode stripper |
CN104242026A (en) * | 2014-08-27 | 2014-12-24 | 清华大学 | Optical fiber wrapping layer light filter-out device and forming method thereof |
WO2015066238A3 (en) * | 2013-10-29 | 2015-07-16 | Ultraviolet Interventions Inc. | Systems and methods for sterilization using uv light |
US9360643B2 (en) | 2011-06-03 | 2016-06-07 | Foro Energy, Inc. | Rugged passively cooled high power laser fiber optic connectors and methods of use |
US9429467B2 (en) | 2014-04-11 | 2016-08-30 | Lockheed Martin Corporation | System for non-contact optical-power measurement |
US20160341916A1 (en) * | 2014-01-17 | 2016-11-24 | Empire Technology Development Llc | Optical fibers without cladding |
CN106291830A (en) * | 2016-04-06 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Fibre-optical splice |
WO2017108060A1 (en) * | 2015-12-23 | 2017-06-29 | Nkt Photonics A/S | Photonic crystal fiber assembly |
US9766420B2 (en) | 2013-03-15 | 2017-09-19 | Joe Denton Brown | Apparatus and method for absorbing laser energy that fails to couple into the core of a laser fiber, and for absorbing the energy that has been transmitted to the cladding of the laser |
CN107425404A (en) * | 2017-05-19 | 2017-12-01 | 大族激光科技产业集团股份有限公司 | The processing method of cladding light stripper |
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US10120151B1 (en) | 2015-03-06 | 2018-11-06 | Science Research Laboratory, Inc. | System and methods for cooling optical components |
US10495820B1 (en) | 2014-06-17 | 2019-12-03 | Lockheed Martin Corporation | Method and apparatus for low-profile fiber-coupling to photonic chips |
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US10718963B1 (en) | 2016-11-16 | 2020-07-21 | Electro-Optics Technology, Inc. | High power faraday isolators and rotators using potassium terbium fluoride crystals |
US10727641B2 (en) | 2017-01-19 | 2020-07-28 | Massachusetts Institute Of Technology | Control of heating in active doped optical fiber |
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US11072554B2 (en) | 2015-11-10 | 2021-07-27 | Nkt Photonics A/S | Element for a preform, a fiber production method and an optical fiber drawn from the preform |
Citations (8)
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US3386043A (en) * | 1964-07-31 | 1968-05-28 | Bell Telephone Labor Inc | Dielectric waveguide, maser amplifier and oscillator |
US3995934A (en) * | 1973-10-19 | 1976-12-07 | Nath Guenther | Flexible light guide |
JPS55126208A (en) * | 1979-03-23 | 1980-09-29 | Fujitsu Ltd | Light emitting semiconductor device |
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JPS5778002A (en) * | 1980-11-04 | 1982-05-15 | Toshiba Corp | Optical isolator |
US4421382A (en) * | 1980-04-01 | 1983-12-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Fiber retaining device for power laser |
US4422719A (en) * | 1981-05-07 | 1983-12-27 | Space-Lyte International, Inc. | Optical distribution system including light guide |
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Patent Citations (8)
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US3386043A (en) * | 1964-07-31 | 1968-05-28 | Bell Telephone Labor Inc | Dielectric waveguide, maser amplifier and oscillator |
US3995934A (en) * | 1973-10-19 | 1976-12-07 | Nath Guenther | Flexible light guide |
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Cited By (132)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4637686A (en) * | 1983-04-08 | 1987-01-20 | Kokusai Denshin Denwa Co., Ltd. | Optical fiber with light reflecting particles dispersed through buffer layers to dissipate leaky cladding modes |
US4737011A (en) * | 1984-07-13 | 1988-04-12 | Dainichi-Nippon Cables Ltd. | Connector for high energy beam |
US4776663A (en) * | 1985-12-12 | 1988-10-11 | 501 Socapex S.A. | Disconnectable collimation assembly |
US4808830A (en) * | 1987-06-15 | 1989-02-28 | Warren Burgis | Infrared beam projector |
US5042980A (en) * | 1989-05-26 | 1991-08-27 | C. R. Bard, Inc. | Optical fiber diffusion tip for uniform illumination |
US5207669A (en) * | 1989-05-26 | 1993-05-04 | C. R. Bard, Inc. | Optical fiber diffusion tip for uniform illumination |
WO1990015985A1 (en) * | 1989-06-22 | 1990-12-27 | Ares-Serono Research & Development Limited Partnership | Method of optical analysis |
AU619120B2 (en) * | 1989-06-22 | 1992-01-16 | Applied Research Systems Ars Holding N.V. | Method of optical analysis |
US5113470A (en) * | 1989-11-08 | 1992-05-12 | Matsushita Electric Industrial Co., Ltd. | Optical wave guide sheet comprising plurality of doubly-clad core members with light scatterers in outer cladding |
US5400428A (en) * | 1992-05-13 | 1995-03-21 | Spectranetics Corporation | Method and apparatus for linearly scanning energy over an optical fiber array and coupler for coupling energy to the optical fiber array |
US5619602A (en) * | 1993-04-01 | 1997-04-08 | Permanova Laser System Ab | Fibre |
US5849035A (en) * | 1993-04-28 | 1998-12-15 | Focal, Inc. | Methods for intraluminal photothermoforming |
US6176871B1 (en) | 1993-04-28 | 2001-01-23 | Focal, Inc. | Apparatus and methods for intraluminal photothermoforming |
US5490227A (en) * | 1993-10-27 | 1996-02-06 | Matsushita Electric Industrial Co., Inc. | Light receiving module for SCM transmission |
WO1995035517A1 (en) * | 1994-06-20 | 1995-12-28 | Cogent Light Technologies, Inc. | Apparatus coupling power source to fiber optic |
US5665063A (en) * | 1994-06-24 | 1997-09-09 | Focal, Inc. | Methods for application of intraluminal photopolymerized gels |
US5779673A (en) * | 1995-06-26 | 1998-07-14 | Focal, Inc. | Devices and methods for application of intraluminal photopolymerized gels |
US5822478A (en) * | 1995-11-22 | 1998-10-13 | Samsung Electronics Co., Ltd. | Optical device with means for preventing remaining scattered light rays from being fed back to the signal line and method for fabricating it |
US6012853A (en) * | 1996-01-18 | 2000-01-11 | E-Tek Dynamics, Inc. | Laser diode with anti-reflection and anti-scattering coating |
US6167177A (en) * | 1996-07-05 | 2000-12-26 | Permanova Lasersystem | Optical fiber cable |
US5995686A (en) * | 1997-12-16 | 1999-11-30 | Hamburger; Robert N. | Fiber-optic sensor device and method |
US20020075545A1 (en) * | 1998-12-22 | 2002-06-20 | Harrison Daniel David | Optcal high speed communications for a computed tomography x-ray machine |
US6580853B2 (en) * | 1998-12-22 | 2003-06-17 | Daniel David Harrison | Optical high speed communications for a computed tomography x-ray machine |
EP1096285A2 (en) * | 1999-11-01 | 2001-05-02 | GSI Lumonics Ltd. | Laser to optical fibre coupling |
EP1096285A3 (en) * | 1999-11-01 | 2004-05-06 | GSI Lumonics Ltd. | Laser to optical fibre coupling |
US20020039220A1 (en) * | 2000-08-04 | 2002-04-04 | Yorishige Ishii | Optical communication module |
US6979134B2 (en) * | 2000-08-04 | 2005-12-27 | Sharp Kabushiki Kaisha | Optical communication module |
US6782161B2 (en) * | 2001-02-05 | 2004-08-24 | Derma Laser Inc. | Laser diode apparatus provided with an aiming beam and injection method therefor |
US6948862B2 (en) | 2002-02-22 | 2005-09-27 | Brown Joe D | Apparatus and method for coupling laser energy into small core fibers |
US7204645B2 (en) | 2002-02-22 | 2007-04-17 | Brown Joe D | Apparatus and method for coupling laser energy into small core fibers |
US20040071409A1 (en) * | 2002-02-22 | 2004-04-15 | Brown Joe D. | Apparatus and method for coupling laser energy into small core fibers |
US7090411B2 (en) | 2002-02-22 | 2006-08-15 | Brown Joe D | Apparatus and method for diffusing laser energy that fails to couple into small core fibers, and for reducing coupling to the cladding of the fiber |
US20050025418A1 (en) * | 2002-02-22 | 2005-02-03 | Brown Joe D. | Apparatus and method for diffusing laser energy that fails to couple into small core fibers, and for reducing coupling to the cladding of the fiber |
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